[media] staging: atomisp: fix bounds checking in mt9m114_s_exposure_selection()
Commit Message
These clamp_t() calls are no-ops because we don't save the results. It
leads to an array out of bounds bug.
Fixes: a49d25364dfb ("staging/atomisp: Add support for the Intel IPU v2")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
@@ -1209,10 +1209,10 @@ static int mt9m114_s_exposure_selection(struct v4l2_subdev *sd,
return -EINVAL;
}
- clamp_t(int, win_left, 0, 4);
- clamp_t(int, win_top, 0, 4);
- clamp_t(int, win_right, 0, 4);
- clamp_t(int, win_bottom, 0, 4);
+ win_left = clamp_t(int, win_left, 0, 4);
+ win_top = clamp_t(int, win_top, 0, 4);
+ win_right = clamp_t(int, win_right, 0, 4);
+ win_bottom = clamp_t(int, win_bottom, 0, 4);
ret = mt9m114_write_reg_array(client, mt9m114_exp_average, NO_POLLING);
if (ret) {